A Clinical Trial to Evaluate the Long-term Safety and Durability of Efficacy of BI 3720931, an Inhaled Lentiviral Vector Gene Therapy, After Single Dose Administration in a Previous Clinical Trial, in People With Cystic Fibrosis Rolled-over From a Previous Clinical Trial With BI 3720931 (Lenticlair™-ON)
NCT06962852 · ACTIVE NOT RECRUITING · Phase 2